# Aleg

In 1991, the life expectancy of males in a certain company was 68.2 years. In 1997, it was 70.7 years. Let E represent the life expectancy in year t and let t represent the number of years since 1991.
1) The linear function E(t) that fits the date is E(t)=____t+____
Round to the nearest tenth
2) Use the function to predict the life expectancy of males in 2007.
E(16)= ________ round to the nearest tenth.

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1. 0.4t + 67.8

So, 0.4(17) + 67.8 = 74.6

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